Abstract：Prof. HONG Minli closely follows the relationship between the spleen，the stomach and the lung，and flexibly applies different treatment methods， such as methods of banking up earth to generate metal， fortifying the spleen and draining dampness，directing counterflow downward and harmonizing the stomach，to treat chronic cough，which obtains satisfactory curative effect. Three effective cases are attached to illustrate the diagnosis and treatment ideas of Prof. HONG using the above three treatment methods.